Home / 125,145.44-187,778.96-55,015.68

Finding the Fourth Proportional to 125,145.44, 187,778.96 and 55,015.68

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Solution

The fourth proportional to 125,145.44, 187,778.96 and 55,015.68 is: 82,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145.44 : 187,778.96 = 55,015.68 : x
  2. Step 2: Convert to fraction form
    125,145.44/187,778.96 = 55,015.68/x
  3. Step 3: Cross multiply
    125,145.44x = 187,778.96 × 55,015.68
  4. Step 4: Simplify right side
    125,145.44x = 10,330,787,174.09
  5. Step 5: Solve for x
    x = 10,330,787,174.09/125,145.44
  6. Step 6: Final answer
    x = 82,550.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.